Unlocking a locked ISP, TG589vn v3 VDSL router by installing generic Technicolor firmware. The following procedure was what worked for me.

Using DNS views on a Cisco router to query specific DNS servers for specified domains. In my case I’m using it to direct all DNS queries to a service such as Unotelly for accessing region locked web content (Netflix, Hulu and Pandora Internet Radio).

Setup and configuration guide to configure a Cisco 877 router for ADSL connection.

Setting up a Cisco IOS router to update multiple no-ip dynamic DNS host names.

Installing Ruby development environment on Mac OS X Mavericks. Ruby on rails with the Ruby version manager, MySQL server and Brew.

This is a guide to install Octopress blogging framework on Mac OS X Mavericks. This was done and tested on OS X Mavericks version 10.9.1. You will need to have a GitHub account with SSH keys properly configured to sucessfully host the Octopress blog on GitHub Pages.

This guide is just a quick howto compile and build the Linux DNS server, BIND, version 9.9.0-1 RPMS from the source RPM.

This guide will show how to configure the Apache web server to authenticate users against Microsoft Active Directory. The most difficult part was to get the correct LDAP path for the AuthLDAPUrl and AuthLDAPBindDN parameters. Without the exact correct path it will NOT work, because LDAP does not traverse the Active Directoy for specified users, but relies on the exact full path specified.

Here are two scripts to transfer user accounts from one RedHat/CentOS server to another. All home directory files, mail, group settings, passwords stays in tact. The first script needs to be executed on the source server and the second script needs to be executed on the destination server:

Here is a quick script I put together to get a list of all phone types currently registered to a Asterisk box: